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video: rockchip: mipi: reduce the invalid delay time

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Change-Id: I79d1e6efdabb7c385dd84d8f0d41795ed25753f0
Signed-off-by: Xubilv <xbl@rock-chips.com>
This commit is contained in:
Xubilv
2016-10-26 18:04:45 +08:00
committed by Huang, Tao
parent 892e81acc6
commit 15eb71dce0
1 changed files with 19 additions and 13 deletions
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32
drivers/video/rockchip/screen/lcd_mipi.c
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@@ -42,16 +42,20 @@
#endif
#ifdef CONFIG_RK_3288_DSI_UBOOT
DECLARE_GLOBAL_DATA_PTR;
#define msleep(a) udelay(a * 1000)
#define printk(x...) /* printf(x) */
#endif
static struct mipi_screen *gmipi_screen;
static inline void mipidelay(unsigned int msecs)
{
usleep_range(msecs * 1000, msecs * 1000 + 200);
}
static void rk_mipi_screen_pwr_disable(struct mipi_screen *screen)
{
if (screen->lcd_en_gpio != INVALID_GPIO) {
gpio_direction_output(screen->lcd_en_gpio, !screen->lcd_en_atv_val);
msleep(screen->lcd_en_delay);
mipidelay(screen->lcd_en_delay);
} else{
MIPI_SCREEN_DBG("lcd_en_gpio is null");
}
@@ -59,7 +63,7 @@ static void rk_mipi_screen_pwr_disable(struct mipi_screen *screen)
if (screen->lcd_rst_gpio != INVALID_GPIO) {
gpio_direction_output(screen->lcd_rst_gpio, !screen->lcd_rst_atv_val);
msleep(screen->lcd_rst_delay);
mipidelay(screen->lcd_rst_delay);
} else {
MIPI_SCREEN_DBG("lcd_rst_gpio is null");
}
@@ -69,17 +73,17 @@ static void rk_mipi_screen_pwr_enable(struct mipi_screen *screen)
{
if (screen->lcd_en_gpio != INVALID_GPIO) {
gpio_direction_output(screen->lcd_en_gpio, !screen->lcd_en_atv_val);
msleep(screen->lcd_en_delay);
mipidelay(screen->lcd_en_delay);
gpio_direction_output(screen->lcd_en_gpio, screen->lcd_en_atv_val);
msleep(screen->lcd_en_delay);
mipidelay(screen->lcd_en_delay);
} else
MIPI_SCREEN_DBG("lcd_en_gpio is null\n");
if (screen->lcd_rst_gpio != INVALID_GPIO) {
gpio_direction_output(screen->lcd_rst_gpio, !screen->lcd_rst_atv_val);
msleep (screen->lcd_rst_delay);
mipidelay(screen->lcd_rst_delay);
gpio_direction_output(screen->lcd_rst_gpio, screen->lcd_rst_atv_val);
msleep(screen->lcd_rst_delay);
mipidelay(screen->lcd_rst_delay);
} else
MIPI_SCREEN_DBG("lcd_rst_gpio is null\n");
}
@@ -127,7 +131,8 @@ static void rk_mipi_screen_cmd_init(struct mipi_screen *screen)
} else {
MIPI_SCREEN_DBG("dsi is err.\n");
}
msleep(dcs_cmd->dcs_cmd.delay);
if (dcs_cmd->dcs_cmd.delay)
mipidelay(dcs_cmd->dcs_cmd.delay);
} else if (dcs_cmd->dcs_cmd.type == HSDT) {
cmds[0] = HSDT;
if (dcs_cmd->dcs_cmd.dsi_id == 0) {
@@ -143,7 +148,8 @@ static void rk_mipi_screen_cmd_init(struct mipi_screen *screen)
} else {
MIPI_SCREEN_DBG("dsi is err.");
}
msleep(dcs_cmd->dcs_cmd.delay);
if (dcs_cmd->dcs_cmd.delay)
mipidelay(dcs_cmd->dcs_cmd.delay);
} else
MIPI_SCREEN_DBG("cmd type err.\n");
}
@@ -179,7 +185,7 @@ int rk_mipi_screen(void)
if (rk_dsi_num == 2)
dsi_send_packet(1, dcs, 3);
msleep(20);
mipidelay(20);
dcs[0] = LPDT;
dcs[1] = DTYPE_DCS_SWRITE_0P;
@@ -188,7 +194,7 @@ int rk_mipi_screen(void)
if (rk_dsi_num == 2)
dsi_send_packet(1, dcs, 3);
msleep(20);
mipidelay(20);
} else {
rk_mipi_screen_pwr_enable(gmipi_screen);
@@ -230,7 +236,7 @@ int rk_mipi_screen_standby(u8 enable)
if (rk_dsi_num == 2)
dsi_send_packet(1, dcs, 3);
msleep(30);
mipidelay(30);
dcs[0] = LPDT;
dcs[1] = DTYPE_DCS_SWRITE_0P;
@@ -239,7 +245,7 @@ int rk_mipi_screen_standby(u8 enable)
if (rk_dsi_num == 2)
dsi_send_packet(1, dcs, 3);
msleep(100);
mipidelay(100);
rk_mipi_screen_pwr_disable(gmipi_screen);
MIPI_SCREEN_DBG("++++enable++++++++++++%s:%d\n", __func__, __LINE__);
} else {